US helicopters, tanks and warplanes around Ramadi

RAMADI, Iraq, June 19 (Reuters) Helicopters flew over the Iraqi town of Ramadi and warplanes could be heard screaming overhead as US troops hunted down insurgents in the rebel stronghold today, a Reuters witness said.

He said seven tanks moved along Masarif Street and July 17 Street. Two explosions were heard but the cause was not clear.